Which of the following is a validation of congruency between two polygons?
a. if by applying only rotation you can make them coincide
b. if by applying only translation you can make them coincide
c. if by applying rigid motions you can make them coincide
d. if by applying dilation you can make them equal

Which graph represents an even function?

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0